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ZA201805869B - Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element - Google Patents

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Info

Publication number
ZA201805869B
ZA201805869B ZA201805869A ZA201805869A ZA201805869B ZA 201805869 B ZA201805869 B ZA 201805869B ZA 201805869 A ZA201805869 A ZA 201805869A ZA 201805869 A ZA201805869 A ZA 201805869A ZA 201805869 B ZA201805869 B ZA 201805869B
Authority
ZA
South Africa
Prior art keywords
spectral band
decoding audio
band replication
fill element
enhanced spectral
Prior art date
Application number
ZA201805869A
Inventor
Villemoes Lars
Purnhagen Heiko
Ekstrand Per
Original Assignee
Dolby Int Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of ZA201805869B publication Critical patent/ZA201805869B/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032Quantisation or dequantisation of spectral components
    • G10L19/035Scalar quantisation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Stereophonic System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
ZA201805869A 2015-03-13 2018-08-31 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element ZA201805869B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15159067 2015-03-13
US201562133800P 2015-03-16 2015-03-16

Publications (1)

Publication Number Publication Date
ZA201805869B true ZA201805869B (en) 2019-11-27

Family

ID=66624667

Family Applications (6)

Application Number Title Priority Date Filing Date
ZA2017/05978A ZA201705978B (en) 2015-03-13 2017-09-01 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2017/05971A ZA201705971B (en) 2015-03-13 2017-09-01 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2018/01941A ZA201801941B (en) 2015-03-13 2018-03-23 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA201805869A ZA201805869B (en) 2015-03-13 2018-08-31 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2019/01691A ZA201901691B (en) 2015-03-13 2019-03-19 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2019/05506A ZA201905506B (en) 2015-03-13 2019-08-21 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Family Applications Before (3)

Application Number Title Priority Date Filing Date
ZA2017/05978A ZA201705978B (en) 2015-03-13 2017-09-01 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2017/05971A ZA201705971B (en) 2015-03-13 2017-09-01 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2018/01941A ZA201801941B (en) 2015-03-13 2018-03-23 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Family Applications After (2)

Application Number Title Priority Date Filing Date
ZA2019/01691A ZA201901691B (en) 2015-03-13 2019-03-19 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2019/05506A ZA201905506B (en) 2015-03-13 2019-08-21 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Country Status (10)

Country Link
JP (2) JP6922017B2 (en)
DK (2) DK3268956T3 (en)
ES (2) ES2867477T3 (en)
HK (6) HK1259408A1 (en)
HU (2) HUE047987T2 (en)
IL (3) IL256786B (en)
SG (1) SG10202005260VA (en)
TW (2) TWI693595B (en)
UA (1) UA119808C2 (en)
ZA (6) ZA201705978B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI856342B (en) 2015-03-13 2024-09-21 瑞典商杜比國際公司 Audio processing unit, method for decoding an encoded audio bitstream, and non-transitory computer readable medium

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512719C2 (en) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd A method and apparatus for reducing data flow based on harmonic bandwidth expansion
EP1701340B1 (en) * 2001-11-14 2012-08-29 Panasonic Corporation Decoding device, method and program
RU2491658C2 (en) * 2008-07-11 2013-08-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Audio signal synthesiser and audio signal encoder
EP2491554B1 (en) * 2009-10-20 2014-03-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule
JP5523589B2 (en) * 2010-03-09 2014-06-18 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. Apparatus and method for processing an input audio signal using a cascaded filter bank
US9093120B2 (en) * 2011-02-10 2015-07-28 Yahoo! Inc. Audio fingerprint extraction by scaling in time and resampling
EP2686849A1 (en) * 2011-03-18 2014-01-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frame element length transmission in audio coding
JP6262668B2 (en) * 2013-01-22 2018-01-17 パナソニック株式会社 Bandwidth extension parameter generation device, encoding device, decoding device, bandwidth extension parameter generation method, encoding method, and decoding method
KR101849612B1 (en) * 2013-01-28 2018-04-18 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Method and apparatus for normalized audio playback of media with and without embedded loudness metadata on new media devices
TWI530941B (en) * 2013-04-03 2016-04-21 杜比實驗室特許公司 Methods and systems for interactive rendering of object based audio

Also Published As

Publication number Publication date
DK3268961T3 (en) 2020-02-10
SG10202005260VA (en) 2020-07-29
HK1259406A1 (en) 2019-11-29
ZA201705978B (en) 2019-02-27
JP7210658B2 (en) 2023-01-23
UA119808C2 (en) 2019-08-12
TWI732403B (en) 2021-07-01
ZA201705971B (en) 2019-01-30
JP6922017B2 (en) 2021-08-18
ES2867477T3 (en) 2021-10-20
IL279327A (en) 2021-01-31
HK1259544A1 (en) 2019-11-29
HK1259302A1 (en) 2019-11-29
IL285643A (en) 2021-09-30
TWI693595B (en) 2020-05-11
HK1259131A1 (en) 2019-11-29
TW202042215A (en) 2020-11-16
TW201941186A (en) 2019-10-16
ZA201901691B (en) 2020-07-29
IL256786A (en) 2018-03-29
HK1259548A1 (en) 2019-11-29
HUE053954T2 (en) 2021-08-30
IL256786B (en) 2021-01-31
IL279327B (en) 2021-09-30
JP2020079963A (en) 2020-05-28
DK3268956T3 (en) 2021-10-18
JP2021167981A (en) 2021-10-21
ES2770029T3 (en) 2020-06-30
ZA201801941B (en) 2019-07-31
IL285643B (en) 2022-10-01
HUE047987T2 (en) 2020-05-28
ZA201905506B (en) 2021-03-31
IL285643B2 (en) 2023-02-01
HK1259408A1 (en) 2019-11-29

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ZA202106847B (en) Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
IL285643B (en) Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element